372
FNCA52 TJSJ 021930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST FRI OCT 2 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-030800-
SOUTHEAST COASTAL PLAINS-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 50 20 20
TEMP (24H TREND) 74 (-2) 91 (+1) 74 92
RH % (24H TREND) 90 (+1) 50 (-6) 90 45
WIND 20FT/EARLY(MPH) E 13 E 16 E 12 E 13
WIND 20FT/LATE(MPH) NE 10 E 16 NE 10 E 14
MIXING HGT(FT-AGL/MSL) 5060 5250
TRANSPORT WND (MPH) E 15 E 12
VENT RATE (KT-FT) 65780 52500
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-030800-
SOUTHERN HILLS-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 40 10 30
TEMP (24H TREND) 70 (-4) 89 (+3) 70 89
RH % (24H TREND) 97 (+5) 59 (-7) 96 59
WIND 20FT/EARLY(MPH) E 10 E 12 E 11 E 10
WIND 20FT/LATE(MPH) E 9 E 12 NE 11 E 11
MIXING HGT(FT-AGL/MSL) 5530 5980
TRANSPORT WND (MPH) E 15 E 9
VENT RATE (KT-FT) 71890 47840
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-030800-
NORTH COASTAL PLAINS-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 40 30
TEMP (24H TREND) 73 (-3) 91 (+1) 73 91
RH % (24H TREND) 96 (+3) 58 (-7) 96 60
WIND 20FT/EARLY(MPH) E 14 E 12 E 16 E 10
WIND 20FT/LATE(MPH) SE 10 E 17 SE 11 E 16
MIXING HGT(FT-AGL/MSL) 4880 5450
TRANSPORT WND (MPH) E 15 E 12
VENT RATE (KT-FT) 63440 54500
DISPERSION 5 5
DSI 4 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-030800-
NORTHERN HILLS-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 10 60 20 40
TEMP (24H TREND) 71 (-2) 91 (+2) 71 90
RH % (24H TREND) 97 (+2) 60 (-6) 96 62
WIND 20FT/EARLY(MPH) E 12 E 10 E 13 E 9
WIND 20FT/LATE(MPH) SE 8 E 16 SE 9 NE 13
MIXING HGT(FT-AGL/MSL) 5380 5560
TRANSPORT WND (MPH) E 13 E 8
VENT RATE (KT-FT) 59180 38920
DISPERSION 5 5
DSI 2 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-030800-
WEST COAST-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 0 40 0 60
TEMP (24H TREND) 74 (-1) 92 (0) 74 92
RH % (24H TREND) 95 (+3) 57 (-5) 95 59
WIND 20FT/EARLY(MPH) E 12 E 13 E 12 E 10
WIND 20FT/LATE(MPH) E 11 E 13 E 10 E 11
MIXING HGT(FT-AGL/MSL) 4900 4890
TRANSPORT WND (MPH) E 10 E 7
VENT RATE (KT-FT) 44100 29340
DISPERSION 5 5
DSI 3 6 3 5
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-030800-
EASTERN INTERIOR-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 60 30 20
TEMP (24H TREND) 72 (-3) 90 (+2) 72 90
RH % (24H TREND) 96 (+3) 58 (-6) 95 58
WIND 20FT/EARLY(MPH) E 12 E 11 E 12 E 9
WIND 20FT/LATE(MPH) SE 12 E 11 E 12 E 11
MIXING HGT(FT-AGL/MSL) 5300 7050
TRANSPORT WND (MPH) E 15 E 9
VENT RATE (KT-FT) 68900 56400
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-030800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 60 40 30
TEMP (24H TREND) 70 (-3) 86 (+3) 70 86
RH % (24H TREND) 98 (+2) 61 (-9) 98 61
WIND 20FT/EARLY(MPH) E 10 E 10 E 9 E 9
WIND 20FT/LATE(MPH) E 9 E 10 E 9 E 9
MIXING HGT(FT-AGL/MSL) 3890 4890
TRANSPORT WND (MPH) E 15 E 12
VENT RATE (KT-FT) 50570 48900
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-030800-
CENTRAL MOUNTAIN RANGE-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 10 60 10 60
TEMP (24H TREND) 68 (-3) 87 (+3) 68 87
RH % (24H TREND) 97 (+3) 61 (-9) 96 64
WIND 20FT/EARLY(MPH) E 6 E 9 E 9 E 6
WIND 20FT/LATE(MPH) E 5 E 9 E 8 E 8
MIXING HGT(FT-AGL/MSL) 5970 6130
TRANSPORT WND (MPH) E 12 E 7
VENT RATE (KT-FT) 59700 36780
DISPERSION 5 5
DSI 2 6 1 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-030800-
CAYEY MOUNTAIN RANGE-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 60 30 20
TEMP (24H TREND) 70 (-3) 86 (+2) 70 86
RH % (24H TREND) 99 (+2) 61 (-7) 99 61
WIND 20FT/EARLY(MPH) E 9 E 10 E 9 E 8
WIND 20FT/LATE(MPH) E 8 E 10 E 9 E 10
MIXING HGT(FT-AGL/MSL) 4580 5850
TRANSPORT WND (MPH) E 14 E 10
VENT RATE (KT-FT) 54960 52650
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-030800-
VIEQUES-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 30 30
TEMP (24H TREND) 78 (-2) 90 (+1) 77 90
RH % (24H TREND) 85 (+1) 57 (-5) 86 57
WIND 20FT/EARLY(MPH) E 14 E 14 E 16 E 13
WIND 20FT/LATE(MPH) E 14 E 13 E 14 E 11
MIXING HGT(FT-AGL/MSL) 3670 3520
TRANSPORT WND (MPH) E 16 E 14
VENT RATE (KT-FT) 51380 42240
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-030800-
CULEBRA-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 40 30 20
TEMP (24H TREND) 79 (-2) 92 (+3) 79 92
RH % (24H TREND) 84 (+1) 56 (-9) 85 58
WIND 20FT/EARLY(MPH) E 14 E 14 E 14 E 13
WIND 20FT/LATE(MPH) E 14 E 14 E 14 E 11
MIXING HGT(FT-AGL/MSL) 3610 3500
TRANSPORT WND (MPH) E 18 E 15
VENT RATE (KT-FT) 57760 45500
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-030800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 20 20 0 30
TEMP (24H TREND) 75 (-2) 93 (+2) 75 93
RH % (24H TREND) 89 (+2) 49 (-7) 86 47
WIND 20FT/EARLY(MPH) E 16 E 18 E 17 E 14
WIND 20FT/LATE(MPH) E 16 SE 19 E 13 SE 16
MIXING HGT(FT-AGL/MSL) 5120 5290
TRANSPORT WND (MPH) E 17 E 10
VENT RATE (KT-FT) 76800 47610
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-030800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 40 20 10
TEMP (24H TREND) 77 (-3) 88 (+1) 77 88
RH % (24H TREND) 86 (+2) 61 (-6) 87 61
WIND 20FT/EARLY(MPH) E 13 E 14 E 14 E 12
WIND 20FT/LATE(MPH) E 14 E 14 E 14 E 12
MIXING HGT(FT-AGL/MSL) 3460 3480
TRANSPORT WND (MPH) E 18 E 16
VENT RATE (KT-FT) 55360 48720
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-030800-
ST CROIX-
330 PM AST FRI OCT 2 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 40 30 10
TEMP (24H TREND) 78 (-2) 91 (+2) 78 91
RH % (24H TREND) 86 (0) 61 (-5) 86 61
WIND 20FT/EARLY(MPH) E 13 E 14 E 13 E 12
WIND 20FT/LATE(MPH) E 13 E 13 E 13 E 12
MIXING HGT(FT-AGL/MSL) 4180 4610
TRANSPORT WND (MPH) E 16 E 16
VENT RATE (KT-FT) 58520 64540
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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